package com.example.crm.servlet;


import com.example.crm.service.ICustomerService;
import com.example.crm.service.impl.CustomerServiceImpl;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/deleteUser")
public class DeleteCustomerServlet extends HttpServlet {

    ICustomerService customerService;

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        req.setCharacterEncoding("utf-8");
        resp.setContentType("text/html;charset=utf-8");
        System.out.println("deleteUser收到请求");

        //1.获取参数
        long id=Long.parseLong(req.getParameter("cust_id"));
        //2.调用service
        // 从容器中获取customerServcie的Bean
        WebApplicationContext applicationContext = WebApplicationContextUtils.getWebApplicationContext(this.getServletContext());
        customerService = (ICustomerService)applicationContext.getBean("customerService");

        /*ICustomerService customerService=new CustomerServiceImpl();*/
        customerService.deleteUser(id);

        resp.sendRedirect("customer");
    }
}
